12002620005 has 48 divisors (see below), whose sum is σ = 21058000704. Its totient is φ = 6323869440.

The previous prime is 12002619961. The next prime is 12002620031. The reversal of 12002620005 is 50002620021.

It is not a de Polignac number, because 12002620005 - 2⁸ = 12002619749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002620005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1296202 + ... + 1305428.

It is an arithmetic number, because the mean of its divisors is an integer number (438708348).

Almost surely, 2^12002620005 is an apocalyptic number.

12002620005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12002620005 is a deficient number, since it is larger than the sum of its proper divisors (9055380699).

12002620005 is a wasteful number, since it uses less digits than its factorization.

12002620005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586 (or 9583 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The spelling of 12002620005 in words is "twelve billion, two million, six hundred twenty thousand, five".